Ohio Revised Code Title XXXIII. Education Libraries § 3375.07

The board of county commissioners of any county in which there has been created a county free public library, pursuant to section 3375.06 of the Revised Code, may, at its June session each year, levy a tax not to exceed one mill on each dollar of taxable property in such county for the purpose of maintaining the library.  The proceeds of such tax levy shall be paid over by the county treasurer to the treasurer of the board of trustees of the county free public library.